Global Patent Index - EP 0989657 A3

EP 0989657 A3 2000-04-19 - Alternator for vehicle

Title (en)

Alternator for vehicle

Title (de)

Wechselstromgenerator für Kraftfahrzeuge

Title (fr)

Alternateur pour véhicule

Publication

EP 0989657 A3 (EN)

Application

EP 99118718 A

Priority

  • EP 97944186 A
  • JP 5498897 A
  • JP 9701840 W

Abstract (en)

[origin: EP0989657A2] The present invention is related to an improvement of heat dissipation of the coil-end portions of a stator. The coil-end portions 54 and 55 are disposed around cooling fans 33 and 34 closely, and outer coil ends of the coil-end portions are disposed to be close to the frames 11 and 12 via insulating layers 10a. The coil ends are spaced apart from one another like a cluster except the base portions, and the resistance of cooling air draft inside the coil-end portions is lower than that around the coil-end portions. Therefore, the cooling air mainly passes through the inside of the coil-end portions 54 and 55 so that most of the coil ends can be cooled, thereby providing a high heat dissipation. <IMAGE>

IPC 1-7 (main, further and additional classification)

H02K 9/06; H02K 3/24; H02K 9/22

IPC 8 full level (invention and additional information)

H02K 3/12 (2006.01); H02K 3/24 (2006.01); H02K 3/34 (2006.01); H02K 9/06 (2006.01); H02K 9/22 (2006.01); H02K 1/32 (2006.01); H02K 3/50 (2006.01)

CPC (invention and additional information)

H02K 3/34 (2013.01); H02K 3/12 (2013.01); H02K 3/24 (2013.01); H02K 9/06 (2013.01); H02K 9/22 (2013.01); H02K 1/325 (2013.01); H02K 3/50 (2013.01)

Citation (search report)

Designated contracting state (EPC)

DE FR GB IT

DOCDB simple family

EP 0989657 A2 20000329; EP 0989657 A3 20000419; EP 0989657 B1 20050223; DE 69732578 D1 20050331; DE 69732578 T2 20051229; EP 0915557 A1 19990512; EP 0915557 A4 19990512; EP 0915557 B1 20010509; WO 9840953 A1 19980917; WO 9840956 A1 19980917